Big Sky Tank Bag

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Keep essential items easily accessible with the OBR ADV Gear Big Sky Tank Bag.  The Big Sky Tank Bag utilizes a detachable base panel that securely attaches to any bike using two adjustable buckle straps at the rear of the bag and one adjustable buckle strap at the front of the bag. The base panel allows you to quickly remove the tank bag during ride breaks without loosing your strap settings, plus the rear of the bag has a built in carry handle that makes it easy to take with you! A padded spacious main compartment is perfect for carrying items you wish to keep close such as cameras and rain gear.  There are two smaller lid pockets that sit above the main pocket for storage of smaller items, one pocket has a clear top that is perfect for cell phones, maps, or documentation.  Designed with larger ADV bikes in mind, but will also fit Enduro and Mid-Size Dual Sports.


  • High strength, abrasion and water resistant Ballistic Nylon construction 
  • Heavy duty #10 coil zippers won’t jam up in the dust
  • Secure attachment through bikes frame/sub frame utilizing supplied adjustable Side Release Buckle (SRB) straps
  • Spacious 7" x 12" x 6" main compartment with adjustable internal divider 
  • Two pockets in the lid, one is clear for visibility of contents
  • Integrated carry handle at the rear of the tank bag
  • Reflective side webbing with Molle loops for accessory attachment and high visibility
  • Internal D-ring for clipping keys or other items you really don’t want to lose 
  • 4 external D-rings on top lid with 3mm shock cord gives you a place to stash gloves or other small gear during a ride break
  • Slip on rain cover provides additional protection against that inevitable rain shower (included)

Product Manuals

Big Sky Tank Bag Installation Instructions (PDF)

All OBR ADV Gear products are designed and proudly made in the USA!

Proudly Made In USA

Product Warnings

This product can expose you to chemicals including DEHP which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Additional Details



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